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    Write omission detector, write omission detecting method, and computer product
    5.
    发明授权
    Write omission detector, write omission detecting method, and computer product 有权
    写遗漏检测器，省略检测方法和计算机产品

    公开(公告)号：US07917802B2

    公开(公告)日：2011-03-29

    申请号：US11902772

    申请日：2007-09-25

    申请人： Mikio Ito ,  Hidejirou Daikokuya ,  Kazuhiko Ikeuchi ,  Hideo Takahashi ,  Yoshihito Konta ,  Norihide Kubota

    发明人： Mikio Ito ,  Hidejirou Daikokuya ,  Kazuhiko Ikeuchi ,  Hideo Takahashi ,  Yoshihito Konta ,  Norihide Kubota

    IPC分类号： G06F11/00

    CPC分类号： G11B5/09 ,  G06F11/1612 ,  G11B20/1803 ,  G11B2220/415

    摘要： A device adaptor that controls a disk, wherein a storage area is divided into a plurality of blocks, detects a block that includes a read error. Next, the device adaptor detects a write omission in blocks that are within a predetermined range from the block that includes the read error. To be specific, the device adaptor reads data from the blocks that are in the vicinity of the block that includes the unrecovered read error in a suspect disk. Next, the device adaptor reads from a redundant disk, data of a block that corresponds to the block that includes the unrecovered read error (data of block “B” in an example shown in FIG. 1) and compares the read data to the data read from the suspect disk to detect the write omission.

    摘要翻译： 一种控制盘的设备适配器，其中存储区被分成多个块，检测包括读错误的块。 接下来，设备适配器检测到在来自包括读取错误的块的预定范围内的块中的写入省略。 具体来说，设备适配器从可疑磁盘中包含未恢复的读取错误的块附近的块读取数据。 接下来，设备适配器从冗余磁盘读取与包含未恢复的读取错误的块相对应的块的数据（在图1所示的示例中的块“B”的数据）），并将读取的数据与数据 从可疑磁盘读取以检测写入的遗漏。

    RAID APPARATUS, CONTROLLER OF RAID APPARATUS AND WRITE-BACK CONTROL METHOD OF THE RAID APPARATUS
    7.
    发明申请
    RAID APPARATUS, CONTROLLER OF RAID APPARATUS AND WRITE-BACK CONTROL METHOD OF THE RAID APPARATUS 有权
    RAID装置的RAID装置，RAID装置的控制器和写入控制方法

    公开(公告)号：US20090063769A1

    公开(公告)日：2009-03-05

    申请号：US12179942

    申请日：2008-07-25

    申请人： Hidejirou DAIKOKUYA ,  Mikio Ito ,  Kazuhiko Ikeuchi ,  Chikashi Maeda ,  Hideo Takahashi ,  Yoshihito Konta ,  Norihide Kubota

    发明人： Hidejirou DAIKOKUYA ,  Mikio Ito ,  Kazuhiko Ikeuchi ,  Chikashi Maeda ,  Hideo Takahashi ,  Yoshihito Konta ,  Norihide Kubota

    IPC分类号： G06F12/16

    CPC分类号： G06F12/0804 ,  G06F12/0866 ,  G06F12/123

    摘要： A RAID apparatus includes a plurality of recording devices, a first adaptor connected to a first interface which is connected to a high-level apparatus, a controller for controlling processing of data transmitted by the high-level apparatus, and a second adaptor that connects to a second interface connected to a plurality of recording devices. The controller has a first memory area in which said data are stored, a second memory area used for a write-back of the data in said plurality of recording devices, a write-back information control unit controlling a write-back type of data stored in the first memory area and a usage state of the second memory area, a write-back data determination unit for determination of data to be written-back based on the write-back information, and a write-back execution unit for executing a write-back of the data to be written back on the plurality of recording devices.

    摘要翻译： RAID装置包括多个记录装置，连接到连接到高级装置的第一接口的第一适配器，用于控制由高级装置发送的数据的处理的控制器，以及连接到 连接到多个记录装置的第二接口。 控制器具有存储所述数据的第一存储区域，用于在所述多个记录装置中回写数据的第二存储区域，控制存储的数据的回写类型的回写信息控制单元 在所述第一存储器区域和所述第二存储区域的使用状态中，基于所述写回信息来确定要被写回的数据的写回数据确定单元，以及用于执行写入的写回执行单元 在要记录在多个记录装置上的数据的背面。

    RAID apparatus, controller of RAID apparatus and write-back control method of the RAID apparatus
    9.
    发明授权
    RAID apparatus, controller of RAID apparatus and write-back control method of the RAID apparatus 有权
    RAID装置，RAID装置的控制器和RAID装置的回写控制方法

    公开(公告)号：US08364893B2

    公开(公告)日：2013-01-29

    申请号：US12179942

    申请日：2008-07-25

    申请人： Hidejirou Daikokuya ,  Mikio Ito ,  Kazuhiko Ikeuchi ,  Chikashi Maeda ,  Hideo Takahashi ,  Yoshihito Konta ,  Norihide Kubota

    发明人： Hidejirou Daikokuya ,  Mikio Ito ,  Kazuhiko Ikeuchi ,  Chikashi Maeda ,  Hideo Takahashi ,  Yoshihito Konta ,  Norihide Kubota

    IPC分类号： G06F12/16

    CPC分类号： G06F12/0804 ,  G06F12/0866 ,  G06F12/123

    摘要： A RAID apparatus includes a plurality of recording devices, a first adaptor connected to a first interface which is connected to a high-level apparatus, a controller for controlling processing of data transmitted by the high-level apparatus, and a second adaptor that connects to a second interface connected to a plurality of recording devices. The controller has a first memory area in which said data are stored, a second memory area used for a write-back of the data in said plurality of recording devices, a write-back information control unit controlling a write-back type of data stored in the first memory area and a usage state of the second memory area, a write-back data determination unit for determination of data to be written-back based on the write-back information, and a write-back execution unit for executing a write-back of the data to be written back on the plurality of recording devices.

    摘要翻译： RAID装置包括多个记录装置，连接到连接到高级装置的第一接口的第一适配器，用于控制由高级装置发送的数据的处理的控制器，以及连接到 连接到多个记录装置的第二接口。 控制器具有存储所述数据的第一存储区域，用于在所述多个记录装置中回写数据的第二存储区域，控制存储的数据的回写类型的回写信息控制单元 在所述第一存储器区域和所述第二存储区域的使用状态中，基于所述写回信息来确定要被写回的数据的写回数据确定单元，以及用于执行写入的写回执行单元 在要记录在多个记录装置上的数据的背面。